CN103242643A - Ultrahigh-voltage direct-current cable insulation material and preparation method thereof - Google Patents
Ultrahigh-voltage direct-current cable insulation material and preparation method thereof Download PDFInfo
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- CN103242643A CN103242643A CN2012102463009A CN201210246300A CN103242643A CN 103242643 A CN103242643 A CN 103242643A CN 2012102463009 A CN2012102463009 A CN 2012102463009A CN 201210246300 A CN201210246300 A CN 201210246300A CN 103242643 A CN103242643 A CN 103242643A
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- insulation material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92885—Screw or gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
Abstract
The invention discloses an ultrahigh-voltage direct-current cable insulation material and a preparation method of the ultrahigh-voltage direct-current cable insulation material. The ultrahigh-voltage direct-current cable insulation material comprises the following components in parts by weight: 20 to 60 parts of polyphenyl ether resin, 25 to 40 parts of elastomer, 0 to 5 parts of a phase solvent, 0.1 to 1 part of an antioxidant, 0.5 to 5 parts of inorganic nano particles modified by ion liquid and 0.1 to 5 parts of a cross-linking agent. The inorganic nano particles modified by the ion liquid can directly change the distribution of an energy band in the direct-current cable, and the ohmic contact between an electrode and a polymer interface can be finally changed to the neutral contact, so that the injection of charges and the accumulation of the space charges can be inhibited. The insulation material has good flexibility and excellent mechanical performance; and moreover, the mechanical property and the electrical property of the ultrahigh-voltage direct-current cable can be effectively improved. The ultrahigh-voltage direct-current cable insulation material has the advantages of environmental friendliness, low maintenance cost, capability of realizing large-elevation-difference laying and the like.
Description
Technical field
The invention belongs to the technical field of processing of high molecular material modification, relate to a kind of insulating material and preparation method thereof, be specifically related to a kind of superhigh voltage DC cable insulation material and preparation method thereof.
Background technology
The superhigh voltage DC cable insulation material is one of key equipment in the direct-current transmission, is indispensable important component part in the carrier of power transmission and the whole power system.
Direct-current transmission is a technology that develops rapidly in recent years in the power system, is mainly used in the aspects such as HVDC Light that remote large capacity transmission, power system networking, remote undersea cable or big city underground cable send electricity, distribution network.In addition, adopt the flexible DC power transmission technology can also solve fast-developing in recent years wind-power electricity generation, solar electrical energy generation and the bioenergy generating distributed energy transmission of electricity problem that is incorporated into the power networks well.
With respect to the alternating current transmission technology, it is low that super high voltage direct current electricity transmission has the circuit cost, running cost is economized, transmission capacity is big, the size and Orientation of transmission power can be controlled and regulate fast, can limiting short-circuit current, also be not subjected to the restriction of the system stability limit, the direct current cables circuit does not have the puzzlement of capacitive current in the ac cable circuit, there are not magneticinduction loss and dielectric loss, basically have only the heart yearn resistance losses, insulation voltage is relatively low, the reliability height, the voltage of alternating current of Reactive Power Control regulation system that can be by current conversion station and do not have advantages such as system stability.
Plastics direct current power cable is a kind of in the superhigh voltage DC cable insulation material, and it has good mechanical property, install and operation expense low, environmentally friendly, acidproof, alkaline-resisting, erosion resistance and can realize advantage such as big fall laying.Yet in the regional area, heterogeneous existence, transfer and the disappearance alternate and net charge that the electrode interface place exists can directly cause the change of dielectric medium internal electric field issue in isolator or the semi-conductor.It is to the distortion of medium internal electric field, and the electrical property of the electricity of insulating material being led, wears out, punctured each side such as destruction has tangible influence.Problems with space charge in the cable has become the restriction power cable to one of important factor of high electric field development.Existing result of study shows that the interpolation of nanoparticle can cause can be with the change that distributes in the direct current cables.Cause electrode finally to become neutral the contact with the interface of polymkeric substance by ohmic contact, thereby suppressed the injection of electric charge and the accumulation of space charge.Hayase.Y etc. point out in the 8th dielectric material performance of holding in 2006 and the report (Space Charge Formation in LDPE/MgO Nano-composite Thin Film under Ultra-high DC Electric Stress) of using in the international conference (International Conference on Properties and applications of Dielectric Materials), add can the draw up distribution of polyethylene internal space electric charge of nano-MgO powder in the LDPE, but because the trade mark of LDPE is more, by nano oxidized magnesium dust, the interior distribution of space charge of LDPE of all trades mark is improved.
Therefore, need seek more efficiently method, seek the additive that better is applicable to the direct current cables insulation, for the preparation of the superhigh voltage DC cable insulation material.
Summary of the invention
The objective of the invention is at the deficiencies in the prior art, a kind of superhigh voltage DC cable insulation material and preparation method thereof is provided, by in polyphenylene oxide resin, add as polarity/conduction inorganic nano-filler use with the inorganic nano-particle of ionic liquid modification etc., reach the injection of inhibition electric charge and the accumulation of space charge, improve the purpose of its internal electric field.
For solving the problems of the technologies described above, realize above-mentioned technique effect, the present invention has adopted following technical scheme:
A kind of superhigh voltage DC cable insulation material and preparation method thereof, component and content thereof are: polyphenylene oxide resin 20-60 weight part, elastomerics 25-40 weight part, compatilizer 0-5 weight part, oxidation inhibitor 0.1-1 weight part, the inorganic nano-particle 0.5-5 weight part that ionic liquid is modified, linking agent 0.1-5 weight part.
Further, the viscosity of described polyphenylene oxide resin is 40-50g/cm3.
Further, described elastomerics is selected from one or more of styrene-butadiene-styrene block copolymer, hydrogenated styrene-butadiene-styrene block copolymers, polyolefin elastomer and ethylene vinyl acetate.
Further, described compatilizer is selected from one or more of maleic anhydride grafted polyethylene, maleic anhydride inoculated polypropylene etc.
Further, described oxidation inhibitor is antioxidant 1010 or antioxidant 300.
Further, the inorganic nano-particle of described ionic liquid modification is
Further, described linking agent is dicumyl peroxide or di-t-butyl peroxide.
Prepare the method for described superhigh voltage DC cable insulation material, may further comprise the steps:
It is mixing that the nano inoganic particle that step 1) is modified described polyphenylene oxide resin, described elastomerics, described compatilizer, described oxidation inhibitor, described ionic liquid and described linking agent are put into mixing machine successively, mix temperature is 20-50 ℃, rotating speed is 100-700r/min, mixed time 2-15min;
Step 2) material after will mixing adds twin screw extruder, melt extrude granulation, each section of forcing machine temperature is 200-300 ℃ when extruding, and screw speed is 200-500r/min, the feeding machine rotating speed is 10-60r/min, obtains described superhigh voltage DC cable insulation material.
Beneficial effect of the present invention is:
(1) interpolation of the inorganic nano-particle that used ionic liquid is modified among the present invention can cause the change that can be with distribution in the direct current cables, cause electrode finally to become neutral the contact with the interface of polymkeric substance by ohmic contact, thereby suppressed the injection of electric charge and the accumulation of space charge;
(2) polyphenyl ether material itself has higher rigidity, excellent electric insulating and water tolerance, by adding soft elastomerics, regulate the component of material, can reduce the hardness of co-mixing system and strengthen snappiness, the adding compatilizer can improve the bonding force between polyphenylene oxide and the elastomerics, improves the comprehensive mechanical performance of blend;
(3) the insulating material snappiness of utilizing the present invention to prepare is good, mechanical property is good, and can effectively improve mechanical property and the electric property of superhigh voltage DC cable, has environment friendly, maintenance cost is low and can realizes advantages such as big fall laying.
Embodiment
The present invention is described in further detail below in conjunction with specific embodiment.
A kind of superhigh voltage DC cable insulation material and preparation method thereof, component and content thereof are: polyphenylene oxide resin 20-60 weight part, elastomerics 25-40 weight part, compatilizer 0-5 weight part, oxidation inhibitor 0.1-1 weight part, the inorganic nano-particle 0.5-5 weight part that ionic liquid is modified, linking agent 0.1-5 weight part.
Further, the viscosity of described polyphenylene oxide resin is 40-50g/cm3.
Further, described elastomerics is selected from one or more of styrene-butadiene-styrene block copolymer, hydrogenated styrene-butadiene-styrene block copolymers, polyolefin elastomer and ethylene vinyl acetate.
Further, described compatilizer is selected from one or more of maleic anhydride grafted polyethylene, maleic anhydride inoculated polypropylene etc.
Further, described oxidation inhibitor is antioxidant 1010 or antioxidant 300.
Further, the inorganic nano-particle of described ionic liquid modification is
Further, described linking agent is dicumyl peroxide or di-t-butyl peroxide.
Embodiment 1:
With polyphenylene oxide resin 40g, hydrogenated styrene-butadiene-styrene block copolymers elastomerics 30g, compatilizer maleic anhydride graft poly-second 5g, antioxidant 1010 0.3g,
It is mixing that 2g and linking agent di-t-butyl peroxide 1g put into mixing machine successively, mix temperature is 30 ℃, rotating speed is 300r/min, mixed time 10min, material after will mixing then adds twin screw extruder, melt extrude granulation, each section of forcing machine temperature is respectively 210 ℃, 230 ℃, 250 ℃, 250 ℃, 250 ℃, 250 ℃, 250 ℃, 250 ℃, 250 ℃ when extruding, 245 ℃ of die head temperatures, the twin screw length-to-diameter ratio is 40, screw speed is 300r/min, and the feeding machine rotating speed is 20r/min, obtains the superhigh voltage DC cable insulation material.
Show that after tested the superhigh voltage DC cable insulation material that present embodiment obtains is under the external electric field of 60KV/mm, inside does not almost have the generation of space charge, and the peak value of sample internal space electric field is about 60.3KV/mm.
Embodiment 2:
With polyphenylene oxide resin 30g, styrene-butadiene-styrene block copolymer elastomerics 30g, compatilizer maleic anhydride grafted polyethylene 5g, antioxidant 1010 0.2g,
It is mixing that 2g and linking agent di-t-butyl peroxide 1g put into mixing machine successively, mix temperature is 30 ℃, rotating speed is 300r/min, mixed time 10min, material after will mixing then adds twin screw extruder, melt extrude granulation, each section of forcing machine temperature is respectively 210 ℃, 230 ℃, 250 ℃, 250 ℃, 250 ℃, 250 ℃, 250 ℃, 250 ℃, 250 ℃ when extruding, 245 ℃ of die head temperatures, the twin screw length-to-diameter ratio is 40, screw speed is 300r/min, and the feeding machine rotating speed is 20r/min, obtains the superhigh voltage DC cable insulation material.
Show that after tested the superhigh voltage DC cable insulation material that present embodiment obtains is under the external electric field of 60KV/mm, there is the generation of a little space electric charge inside, and the peak value of sample internal space electric field is about 63.5KV/mm.
Embodiment 3:
With polyphenylene oxide resin 40g, hydrogenated styrene-butadiene-styrene block copolymers elastomerics 30g, compatilizer maleic anhydride grafted polyethylene 5g, antioxidant 1010 0.3g,
It is mixing that 2g and linking agent dicumyl peroxide 1g put into mixing machine successively, mix temperature is 30 ℃, rotating speed is 300r/min, mixed time 10min, material after will mixing then adds twin screw extruder, melt extrude granulation, each section of forcing machine temperature is respectively 220 ℃, 240 ℃, 260 ℃, 260 ℃, 260 ℃, 260 ℃, 260 ℃, 260 ℃, 260 ℃ when extruding, 255 ℃ of die head temperatures, the twin screw length-to-diameter ratio is 40, screw speed is 400r/min, and the feeding machine rotating speed is 30r/min, obtains the superhigh voltage DC cable insulation material.
Show that after tested the superhigh voltage DC cable insulation material that present embodiment obtains is under the external electric field of 60KV/mm, there is the generation of a little space electric charge inside, and the peak value of sample internal space electric field is about 64.4KV/mm.
Embodiment 4:
With polyphenylene oxide resin 30g, polyolefin elastomer elastomerics 30g, compatilizer maleic anhydride inoculated polypropylene 5g, antioxidant 300 0.3g,
It is mixing that 2g and linking agent di-t-butyl peroxide 1g put into mixing machine successively, mix temperature is 30 ℃, rotating speed is 300r/min, mixed time 10min, material after will mixing then adds twin screw extruder, melt extrude granulation, each section of forcing machine temperature is respectively 220 ℃, 240 ℃, 260 ℃, 260 ℃, 260 ℃, 260 ℃, 260 ℃, 260 ℃, 260 ℃ when extruding, 255 ℃ of die head temperatures, the twin screw length-to-diameter ratio is 40, screw speed is 300r/min, and the feeding machine rotating speed is 30r/min, obtains the superhigh voltage DC cable insulation material.
Show that after tested the superhigh voltage DC cable insulation material that present embodiment obtains is under the external electric field of 60KV/mm, there is the generation of a little space electric charge inside, and the peak value of sample internal space electric field is about 63.1 KV/mm.
Embodiment 5:
With polyphenylene oxide resin 40g, ethylene vinyl acetate elastomerics 30g, compatilizer maleic anhydride inoculated polypropylene 5g, antioxidant 300 0.3g,
It is mixing that 2g and linking agent di-t-butyl peroxide 1g put into mixing machine successively, mix temperature is 30 ℃, rotating speed is 300r/min, mixed time 10min, material after will mixing then adds twin screw extruder, melt extrude granulation, each section of forcing machine temperature is respectively 210 ℃, 230 ℃, 250 ℃, 250 ℃, 250 ℃, 250 ℃, 250 ℃, 250 ℃, 250 ℃ when extruding, 245 ℃ of die head temperatures, the twin screw length-to-diameter ratio is 40, screw speed is 400r/min, and the feeding machine rotating speed is 20r/min, obtains the superhigh voltage DC cable insulation material.
Show that after tested the superhigh voltage DC cable insulation material that present embodiment obtains is under the external electric field of 60KV/mm, there is the generation of a little space electric charge inside, and the peak value of sample internal space electric field is about 62.5KV/mm.
Embodiment 6:
With polyphenylene oxide resin 40g, hydrogenated styrene-butadiene-styrene block copolymers elastomerics 30g, compatilizer maleic anhydride grafted polyethylene 5g, antioxidant 300 0.3g,
It is mixing that 2g and linking agent dicumyl peroxide 1g put into mixing machine successively, mix temperature is 30 ℃, rotating speed is 300r/min, mixed time 10min, material after will mixing then adds twin screw extruder, melt extrude granulation, each section of forcing machine temperature is respectively 210 ℃, 230 ℃, 250 ℃, 250 ℃, 250 ℃, 250 ℃, 250 ℃, 250 ℃, 250 ℃ when extruding, 245 ℃ of die head temperatures, the twin screw length-to-diameter ratio is 40, screw speed is 300r/min, and the feeding machine rotating speed is 30r/min, obtains the superhigh voltage DC cable insulation material.
Show that after tested the superhigh voltage DC cable insulation material that present embodiment obtains is under the external electric field of 60KV/mm, there is the generation of a little space electric charge inside, and the peak value of sample internal space electric field is about 63.6KV/mm.
Embodiment 7:
With polyphenylene oxide resin 40g, hydrogenated styrene-butadiene-styrene block copolymers elastomerics 30g, compatilizer maleic anhydride inoculated polypropylene 3g, antioxidant 300 0.3g,
It is mixing that 1g and linking agent di-t-butyl peroxide 2g put into mixing machine successively, mix temperature is 30 ℃, rotating speed is 300r/min, mixed time 15min, material after will mixing then adds twin screw extruder, melt extrude granulation, each section of forcing machine temperature is respectively 210 ℃, 230 ℃, 250 ℃, 250 ℃, 250 ℃, 250 ℃, 250 ℃, 250 ℃, 250 ℃ when extruding, 245 ℃ of die head temperatures, the twin screw length-to-diameter ratio is 40, screw speed is 400r/min, and the feeding machine rotating speed is 20r/min, obtains the superhigh voltage DC cable insulation material.
Show that after tested the superhigh voltage DC cable insulation material that present embodiment obtains is under the external electric field of 60KV/mm, there is the generation of a little space electric charge inside, and the peak value of sample internal space electric field is about 62.8KV/mm.
Embodiment 8:
With polyphenylene oxide resin 30g, hydrogenated styrene-butadiene-styrene block copolymers elastomerics 30g, compatilizer maleic anhydride grafted polyethylene 5g, antioxidant 1010 0.4g,
It is mixing that 4g and linking agent di-t-butyl peroxide 2g put into mixing machine successively, mix temperature is 20 ℃, rotating speed is 300r/min, mixed time 10min, material after will mixing then adds twin screw extruder, melt extrude granulation, each section of forcing machine temperature is respectively 220 ℃, 240 ℃, 260 ℃, 260 ℃, 260 ℃, 260 ℃, 260 ℃, 260 ℃, 260 ℃ when extruding, 255 ℃ of die head temperatures, the twin screw length-to-diameter ratio is 40, screw speed is 300r/min, and the feeding machine rotating speed is 20r/min, obtains the superhigh voltage DC cable insulation material.
Show that after tested the superhigh voltage DC cable insulation material that present embodiment obtains is under the external electric field of 60KV/mm, there is the generation of a little space electric charge inside, and the peak value of sample internal space electric field is about 63.9KV/mm.
Embodiment 9:
With polyphenylene oxide resin 50g, styrene-butadiene-styrene block copolymer elastomerics 40g, compatilizer maleic anhydride grafted polyethylene 4g, antioxidant 300 0.3g,
It is mixing that 3g and linking agent di-t-butyl peroxide 1g put into mixing machine successively, mix temperature is 25 ℃, rotating speed is 300r/min, mixed time 10min, material after will mixing then adds twin screw extruder, melt extrude granulation, each section of forcing machine temperature is respectively 210 ℃, 230 ℃, 250 ℃, 250 ℃, 250 ℃, 250 ℃, 250 ℃, 250 ℃, 250 ℃ when extruding, 245 ℃ of die head temperatures, the twin screw length-to-diameter ratio is 40, screw speed is 300r/min, and the feeding machine rotating speed is 30r/min, obtains the superhigh voltage DC cable insulation material.
Show that after tested the superhigh voltage DC cable insulation material that present embodiment obtains is under the external electric field of 60KV/mm, there is the generation of a little space electric charge inside, and the peak value of sample internal space electric field is about 64.7KV/mm.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
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Claims (8)
1. superhigh voltage DC cable insulation material, it is characterized in that, component and content thereof are: polyphenylene oxide resin 20-60 weight part, elastomerics 25-40 weight part, compatilizer 0-5 weight part, oxidation inhibitor 0.1-1 weight part, the inorganic nano-particle 0.5-5 weight part that ionic liquid is modified, linking agent 0.1-5 weight part.
2. superhigh voltage DC cable insulation material according to claim 1, it is characterized in that: the viscosity of described polyphenylene oxide resin is 40-50g/cm3.
3. superhigh voltage DC cable insulation material according to claim 1, it is characterized in that: described elastomerics is selected from one or more of styrene-butadiene-styrene block copolymer, hydrogenated styrene-butadiene-styrene block copolymers, polyolefin elastomer and ethylene vinyl acetate.
4. superhigh voltage DC cable insulation material according to claim 1, it is characterized in that: described compatilizer is selected from one or more of maleic anhydride grafted polyethylene, maleic anhydride inoculated polypropylene etc.
5. superhigh voltage DC cable insulation material according to claim 1, it is characterized in that: described oxidation inhibitor is antioxidant 1010 or antioxidant 300.
6. superhigh voltage DC cable insulation material according to claim 1 is characterized in that: the inorganic nano-particle that described ionic liquid is modified is
,
,
In a kind of, n=0-10 wherein, X are a kind of among Cl, Br, I, BF4, the PF6.
7. superhigh voltage DC cable insulation material according to claim 1, it is characterized in that: described linking agent is dicumyl peroxide or di-t-butyl peroxide.
8. prepare the method for the described superhigh voltage DC cable insulation material of claim 1, it is characterized in that, may further comprise the steps:
It is mixing that the nano inoganic particle that step 1) is modified described polyphenylene oxide resin, described elastomerics, described compatilizer, described oxidation inhibitor, described ionic liquid and described linking agent are put into mixing machine successively, mix temperature is 20-50 ℃, rotating speed is 100-700r/min, mixed time 2-15min;
Step 2) material after will mixing adds twin screw extruder, melt extrude granulation, each section of forcing machine temperature is 200-300 ℃ when extruding, and screw speed is 200-500r/min, the feeding machine rotating speed is 10-60r/min, obtains described superhigh voltage DC cable insulation material.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103525071A (en) * | 2013-09-30 | 2014-01-22 | 安徽明都电力线缆有限公司 | Cable sheath material comprising modified sepiolite powder and polyphenyl ether resin and preparation method of cable sheath material |
| CN104760151B (en) * | 2015-04-22 | 2016-08-24 | 盐城申源塑胶有限公司 | A kind of elevator cable protective cover material |
| CN108384126A (en) * | 2018-02-07 | 2018-08-10 | 合肥安力电力工程有限公司 | A kind of CABLE MATERIALS and preparation method thereof with flame retarding function |
| CN109206886A (en) * | 2018-08-27 | 2019-01-15 | 芜湖市元奎新材料科技有限公司 | A kind of polytetrafluoroethylene (PTFE) high temperature insulation material and preparation method thereof |
| CN112858801A (en) * | 2021-01-08 | 2021-05-28 | 青岛科技大学 | Method and system for reducing space charge injection under direct-current high electric field |
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| JPH11209568A (en) * | 1998-01-29 | 1999-08-03 | Hitachi Chem Co Ltd | Resin composition, moldings, prepreg, laminate and metal foil-clad laminate |
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| CN101049575A (en) * | 2007-04-27 | 2007-10-10 | 陕西师范大学 | Solid carried multilaminar ion liquid, preparation method and application |
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| CN102030978A (en) * | 2010-11-26 | 2011-04-27 | 中国蓝星（集团）股份有限公司 | Halogen-free flame retardant polyphenylene oxide polyphenyl ether (PPE) cable material composition and preparation method thereof |
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| CN108384126A (en) * | 2018-02-07 | 2018-08-10 | 合肥安力电力工程有限公司 | A kind of CABLE MATERIALS and preparation method thereof with flame retarding function |
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Application publication date: 20130814 |